ROSENTHAL, RICHARD J., and JAMES R. 

 CHESS, "A predator-prey relationship between 

 the leather star, Dermasterias imbricata, and 

 the purple urchin, Strongylocentrotns purpuratus" 205 



ROTHSCHILD, BRIAN J., "An exposition on 



the definition of fishing effort" 671 



, and D. S. ROBSON, "The use of con- 

 centration indices in fisheries" 511 



ROYCE, WILLIAM F., "Undergraduate educa- 

 tion of fishery scientists" 681 



SAILA, SAUL B., and JAMES D. PARRISH, 

 "Exploitation effects upon interspecific relation- 

 ships in marine ecosystems" 383 



St. Johns River, Florida 660 



SAKAGAWA, GARY T.— see KIMURA and 

 SAKAGAWA 



Salinity 



determinant in the distribution and cycling 



of elements in estuaries 966 



synergistic effects on adult fiddler crab 415 



Salmo gairdneri — see Rainbow trout 



Salmon — see Chinook salmon; Sockeye salmon 



Salmon fisheries 



abstention line 247 



Japan-Soviet regulation on 248 



Japanese development of 238 



optimal management model 497 



SAMET, CAROL E.— see OLLA et al. 



"Sampling anchovy larvae with a plankton 

 purse seine," by Garth I. Murphy and Robert 

 I. Clutter 789 



San Diego, California 62 



San Francisco Bay, California 1138 



Sarasota, Florida 63 



Sarda chiliensis — see Pacific bonito 



Sardine — see Pacific sardine 



Sardinops caerulea — see Pacific sardine 



Sardinops sagax — see Pacific sardine 



1324 



SAUR, J. F. T., "Monthly sea level differences 

 between the Hawaiian Islands and the Cali- 

 fornia coast" 619 



"Scale features of sockeye salmon from Asian 

 and North American coastal regions," by Ken- 

 neth H. Mosher 141 



Scales 



description of, from 



Alaska Peninsula 171 



Bristol Bay 170, 175, 178 



British Columbia 172 



Cook Inlet 171, 175 



Copper River area 172, 175 



north of Bristol Bay 169 



Southeastern Alaska 172, 178 



USSR 169, 174, 177 



Washington and Oregon 172, 175 



features 



sockeye salmon 141 



Scapholeberis kingi — see Zooplankton 



Scarus dubius — see Parrotfish 



Scarus perspicillaUis — see Parrotfish 



Scarus rubroviolaceus — see Parrotfish 



Scarus sordidus — see Parrotfish 



Scarus taeniurus — see Parrotfish 



Schooling 



orientation of tuna during 197 



Sciaenidae — see Drums 



Sco field — see Vessels 



Scomber japonicus — see Pacific mackerel 



Scombridae — see Mackerels; Tunas 



Scopelopsis multipunctatus 

 development 



fins 546 



morphology 542 



photophores 547 



pigmentation 547 



Scorpaena coniorta — see Scorpionfish 



Scorpaenidae 



species identification by electrophoresis 405 



Scorpionfish 



electrophoretic investigations 403 



Hawaiian reefs 724 



